Character arrays in C++ are arrays used to store multiple characters together. They are commonly used to store words and sentences as strings.<\/p>\n\n\n\n
A character array is an array of characters ( Character arrays are often used to represent strings in C++.<\/p>\n\n\n\n Character arrays are useful because they:<\/p>\n\n\n\n This array can store up to 9 characters plus a null character ( A string in C++ ends with a special null character:<\/p>\n\n\n\n For example:<\/p>\n\n\n\n Each character has an index number.<\/p>\n\n\n\n Character arrays can work with functions from the Examples:<\/p>\n\n\n\n Character arrays are important because they:<\/p>\n\n\n\n Think of a word written letter by letter in separate boxes:<\/p>\n\n\n\n This is how character arrays work.<\/p>\n\n\n\n Character arrays in C++ are essential for storing and managing text data. They provide a basic and efficient way to work with strings and are an important concept for understanding string manipulation and memory handling in programming.<\/p>\n\n\nchar<\/code>) where each element stores a single character.<\/p>\n\n\n\nWhy Use Character Arrays?<\/h2>\n\n\n\n
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Syntax of Character Array<\/h2>\n\n\n\n
char array_name[size];<\/code><\/pre>\n\n\n\nExample of Declaration<\/h2>\n\n\n\n
char name[10];<\/code><\/pre>\n\n\n\n\\0<\/code>).<\/p>\n\n\n\nInitializing Character Array<\/h2>\n\n\n\n
char name[] = \"Ali\";<\/code><\/pre>\n\n\n\nHow Strings Work in Character Arrays<\/h2>\n\n\n\n
\\0<\/code><\/pre>\n\n\n\n'A' 'l' 'i' '\\0'<\/code><\/pre>\n\n\n\nExample Program<\/h2>\n\n\n\n
#include <iostream>
using namespace std;
int main() {
char name[] = \"Ahmed\";
cout << name;
return 0;
}<\/code><\/pre>\n\n\n\nOutput<\/h2>\n\n\n\n
Ahmed<\/code><\/pre>\n\n\n\nAccessing Individual Characters<\/h2>\n\n\n\n
#include <iostream>
using namespace std;
int main() {
char name[] = \"Ali\";
cout << name[0] << endl;
cout << name[1] << endl;
cout << name[2] << endl;
return 0;
}<\/code><\/pre>\n\n\n\nOutput<\/h2>\n\n\n\n
A
l
i<\/code><\/pre>\n\n\n\nTaking Input in Character Array<\/h2>\n\n\n\n
#include <iostream>
using namespace std;
int main() {
char name[20];
cin >> name;
cout << name;
return 0;
}<\/code><\/pre>\n\n\n\nUsing getline for Full Sentence<\/h2>\n\n\n\n
#include <iostream>
using namespace std;
int main() {
char sentence[50];
cin.getline(sentence, 50);
cout << sentence;
return 0;
}<\/code><\/pre>\n\n\n\nCommon Character Array Functions<\/h2>\n\n\n\n
<cstring><\/code> library.<\/p>\n\n\n\n\n
strlen()<\/code> \u2192 Find length<\/li>\n\n\n\nstrcpy()<\/code> \u2192 Copy string<\/li>\n\n\n\nstrcat()<\/code> \u2192 Join strings<\/li>\n\n\n\nstrcmp()<\/code> \u2192 Compare strings<\/li>\n<\/ul>\n\n\n\nExample of strlen()<\/h2>\n\n\n\n
#include <iostream>
#include <cstring>
using namespace std;
int main() {
char name[] = \"Cplusplus\";
cout << strlen(name);
return 0;
}<\/code><\/pre>\n\n\n\nAdvantages of Character Arrays<\/h2>\n\n\n\n
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Disadvantages<\/h2>\n\n\n\n
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Why Character Arrays are Important<\/h2>\n\n\n\n
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Real-Life Example<\/h2>\n\n\n\n
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Conclusion<\/h2>\n\n\n\n